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Finding the Fourth Proportional to 170,893.70, 256,385.35 and 65,716.10

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Solution

The fourth proportional to 170,893.70, 256,385.35 and 65,716.10 is: 98,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,893.70 : 256,385.35 = 65,716.10 : x
  2. Step 2: Convert to fraction form
    170,893.70/256,385.35 = 65,716.10/x
  3. Step 3: Cross multiply
    170,893.70x = 256,385.35 × 65,716.10
  4. Step 4: Simplify right side
    170,893.70x = 16,848,645,299.14
  5. Step 5: Solve for x
    x = 16,848,645,299.14/170,893.70
  6. Step 6: Final answer
    x = 98,591.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.